Senior Network Security Engineer

City of Naperville, IL

$102K — $112K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's Degree in computer science or related field
  • Minimum two years' experience in network security or cybersecurity
  • Valid ISC2, CISSP, and/or SSCP certification(s)
  • Valid State of Illinois driver's license
  • Supervisory experience preferred.

Responsibilities

  • Lead IT project coordination and communication with external stakeholders
  • Implement and enhance security technologies and strategies
  • Review projects for proper security controls
  • Install and maintain intrusion detection and prevention systems
  • Draft IT policies and ensure alignment with industry best practices
  • Monitor security advisories and validate security measures
  • Complete cybersecurity audits with independent consultants

Benefits

  • Medical, Dental, Vision, and Life Insurance
  • IMRF or Fire/Police Pension Programs
  • Potential eligibility for Federal Student Loan Forgiveness
  • Deferred Compensation Investment Plans
  • Flexible Spending Accounts
  • Employee Assistance Program
  • Paid Time Off and Holidays
  • Sick Time
  • Paid Maternity and New Parent Leave
  • Service and Recognition Awards
Full Job Description
Salary: $102,568.96 - $112,825.86 Annually
Location : 1392 Aurora Avenue, Naperville, IL
Job Type: Full Time
Job Number: 3030
Department: Department of Public Utilities - Electric
Opening Date: 07/09/2026

Job Description
This City's Electric Utility is currently seeking a Senior Network Security Engineer to lead a team in installing, monitoring, and maintaining networks within the City's Electric Utility Smart Grid Network and external networks to ensure network, operational, and information systems security. The Senior Engineer implements and maintains network monitoring programs, intrusion detection & protection systems, vulnerability scanning programs, and associated remediation programs.
The hiring range for this position is $102,568.96 - $112,825.86 per year, commensurate with credentials and experience. The Pay Grade for this position is E255. For additional information, please click here

Duties
  • Leads the Utility IT team's project coordination and communication to external stakeholders of the effects of IT projects on their business operations during maintenance, upgrades, and new implementations.
  • Implement new security technologies, strategies, and programs to enhance the Electric Utility's security posture.
  • Review projects to ensure proper security controls are applied to maintain a secure network.
  • Implements and maintains Intrusion Detection systems, Intrusion Protection systems, SIEM, vulnerability scanning programs, and associated remediation programs.
  • Identifies opportunities to incorporate best security practices into the Utility's culture. Drafts IT policies/procedures to ensure industry best practices are documented, followed, and in alignment with overall City IT policy. Works with management to gain security policy/procedure approvals, implementation, and to address adherence/violations to policies.
  • Installs, maintains, monitors, and troubleshoots firewalls, intrusion prevention/detection systems, and other network and server infrastructure to ensure the security and integrity of Electric Utility operational and information systems.
  • Monitors security advisory guidance to ensure all necessary network security updates, patches, and preventive measures are in place. Uses tools to test efficacy of in-place services, servers, and network devices. Validates patches and other security measures are working as designed.
  • Completes cybersecurity audits with independent consultants to validate Department of Public Utilities - Electric (DPU-E) security.
  • Acts as a liaison to the City's IT Network Security team. Attends joint planning and operation meetings. Collaborates with City IT staff on improving security posture at the Utility and the City as a whole.
  • Prepares written materials, including procedures, documentation, diagrams, and reports, to document activities, provide written references, and/or convey information.
  • Trains technical support staff on security policy, procedures, and best practices.
  • Monitors trends in the computer industry to ensure security of DPU-E network systems and computer equipment.
  • Attends meetings, workshops, and seminars to gather and convey information required to perform functions.
  • Assists in resolving end-user issues, as escalated.
  • Performs all other duties as assigned.


Qualifications
Required

  • A Bachelor's Degree in computer science or a related field.
  • A minimum of two years of professional experience in the network security or cybersecurity fields with a proven track record of successful project completions.
  • Valid ISC2, CISSP, and/or SSCP certification(s).
  • A valid State of Illinois driver's license.

Preferred

  • A valid Cisco Certified Network Associate - Security (CCNA - Sec).
  • A valid Certified Network Penetration Tester (PNPT) and/or Certified Blue Team Professional (CBTP).
  • A valid Certified Red Team Professional (CRTP) and/or Certified Ethical Hacker (CEH).
  • A valid Certified Network Defense Architect (CNDA).
  • One to two years of supervisory experience.


Additional Information
The City of Naperville offers a comprehensive benefits package that includes, but is not limited to:
  • Medical, Dental, Vision, and Life Insurance
  • IMRF (Illinois Municipal Retirement Fund) or Fire/Police Pension Programs
  • May be eligible for Federal Student Loan Forgiveness Program (if requirements are met)
  • Deferred Compensation Investment Plans
  • Flexible Spending Accounts
  • Employee Assistance Program
  • Additional Voluntary Benefits
  • Paid Time Off and Holidays
  • Sick Time
  • Paid Maternity and New Parent Leave
  • Service and Recognition Awards
For additional information

Similar Jobs

More Jobs at City of Naperville, IL

More Information Technology Jobs

Find similar Senior Network Security Engineer jobs: